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pro vyhledávání: '"Zhang C-X"'
The Callan-Harvey mechanism in 2+1 D Jackiw-Rebbi model is revisited. We analyzed Callan-Harvey anomaly inflow in the massive Chern insulator (quantum anomalous Hall system) subject to external electric field. In addition to the conventional current
Externí odkaz:
http://arxiv.org/abs/2305.00575
Hall conductivity for the intrinsic anomalous quantum Hall effect in homogeneous systems is given by the topological invariant composed of the Green function depending on momentum of quasiparticle. This expression reveals correspondence with the math
Externí odkaz:
http://arxiv.org/abs/2303.16327
Seismic velocity picking algorithms that are both accurate and efficient can greatly speed up seismic data processing, with the primary approach being the use of velocity spectra. Despite the development of some supervised deep learning-based approac
Externí odkaz:
http://arxiv.org/abs/2205.08372
Velocity picking, a critical step in seismic data processing, has been studied for decades. Although manual picking can produce accurate normal moveout (NMO) velocities from the velocity spectra of prestack gathers, it is time-consuming and becomes i
Externí odkaz:
http://arxiv.org/abs/2205.03645
Publikováno v:
Journal of Mining and Metallurgy. Section B: Metallurgy, Vol 60, Iss 1, Pp 139-152 (2024)
A novel tungsten carbide (WC)-reinforced nickel (Ni)-based laser cladding layer was prepared through an in-situ synthesis process. The influence of different concentrations of CeO2/Y2O3 on the microstructure, wear, and corrosion resistance of the in-
Externí odkaz:
https://doaj.org/article/a37f0a8d79904e3ea0f0e93f8f831a95
Hall conductivity for the intrinsic quantum Hall effect in homogeneous systems is given by the topological invariant composed of the Green function depending on momentum of quasiparticle. This expression reveals correspondence with the mathematical n
Externí odkaz:
http://arxiv.org/abs/2112.03974
We propose the model of layered materials, in which each layer is described by the conventional Haldane model, while the inter - layer hopping parameter corresponds to the ABC stacking. We calculate the topological invariant $N_3$ for the resulting m
Externí odkaz:
http://arxiv.org/abs/2101.01068
Autor:
Zhang, C. X., Zubkov, M. A.
Conductivity of Integer Quantum Hall Effect (IQHE) may be expressed as the topological invariant composed of the two - point Green function. Such a topological invariant is known both for the case of homogeneous systems with intrinsic Anomalous Quant
Externí odkaz:
http://arxiv.org/abs/2011.04030
Publikováno v:
Journal of Computational Electronics 20, 2255 - 2283 (2021)
We discuss the non-equilibrium dynamics of condensed matter/quantum field systems in the framework of Keldysh technique. In order to deal with the inhomogeneous systems we use the Wigner-Weyl formalism. Unification of the mentioned two approaches is
Externí odkaz:
http://arxiv.org/abs/2009.10704
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